dbmutex Win32 DBWinMutex Creation Service
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dbmutex Tags

Object API Function DBWinMutex Object Central Kernel Mutex DBWinMutex Mutex web service creation

dbmutex Description

The dbmutex application was designed to be a Win32 service that sets the permissions on a central kernel mutex (the DBWinMutex object) that is used by the debugging system. Windows has what we consider a bug that prevents non-admin users from sending debugging information via the OutputDebugString() API function to a debugger. This happens under common circumstances, and has been very annoying. After much digging and research, we nailed the problem to the DACL (Discretionary Access Control List) on the DBWinMutex object and a limitation on the behavior of CreateMutex() if the mutex already exists.

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